{"id":"vidhyamitra:city-day:rishikesh:2013-08-25:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2013-08-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2013-08-25","date_display":"August 25, 2013 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2013,"month":8,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456529.770833,"kali_year":5115,"ahargana":1868064.2708,"sun":{"sidereal_longitude":127.2813,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":358.4945,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":231.2132,"elapsed_within_tithi_degrees":3.2132},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":358.4945,"elapsed_within_degrees":11.8279},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":125.7758},"karana":{"half_tithi_index":38,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":2013,"month":8,"day":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456529.770833,"ahargana":1868064.2708,"kali_year":5115,"ayanamsa_lahiri":24.0436,"grahas":{"sun":{"sidereal_longitude":127.973255,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":359.293055,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false,"latitude":1.7184},"mars":{"sidereal_longitude":93.837155,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":127.95545500000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":78.17375500000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":165.683355,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":192.316955,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":200.9652,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":20.9652,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2013,"month":8,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456529.770833,"kali_year":5115,"ahargana":1868064.2708,"sun":{"sidereal_longitude":127.2813,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":358.4945,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":231.2132,"elapsed_within_tithi_degrees":3.2132},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":358.4945,"elapsed_within_degrees":11.8279},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":125.7758},"karana":{"half_tithi_index":38,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.718,"elongation":128.787},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.718,"opposition_distance":51.213}},"eclipse_window_40days":[]},"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"sunriseLocal":"05:49","sunsetLocal":"18:48","solarNoonLocal":"12:19","dayLengthHours":12.974060810253148,"dayLengthDisplay":"12 Hours 58 Mins 27 Secs","nightLengthDisplay":"11 Hours 01 Mins 33 Secs","moonriseLocal":"21:20","moonsetLocal":"10:08","rahuKala":{"name":"Rāhu Kāla","start":"17:11","end":"18:48","startHours":17.175889538101636,"endHours":18.79764713938328,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:19","end":"13:56","startHours":12.310616734256705,"endHours":13.932374335538348,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:33","end":"17:11","startHours":15.554131936819992,"endHours":17.175889538101636,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:51","end":"09:17","startHours":8.850867184855867,"endHours":9.283335878530972,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:22","end":"06:43","startHours":6.364172196224013,"endHours":6.710147151164097,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:45","startHours":11.8781480405816,"endHours":12.74308542793181,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:06","end":"04:58","startHours":4.093711554429712,"endHours":4.958648941779922,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:45","end":"05:49","startHours":4.742414594942369,"endHours":5.823586329130132,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:20","startHours":14.47296020263223,"endHours":15.33789758998244,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:36","end":"19:00","startHours":18.59764713938328,"endHours":18.99764713938328,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:48","end":"19:20","startHours":18.79764713938328,"endHours":19.33823300647716,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:33","end":"20:18","startHours":18.54764713938328,"endHours":20.29764713938328,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:45","startHours":23.8781480405816,"endHours":24.74308542793181,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:49","end":"07:27","startHours":5.823586329130132,"endHours":7.4453439304117754,"quality":"inauspicious"},{"name":"Chala","start":"07:27","end":"09:04","startHours":7.4453439304117754,"endHours":9.06710153169342,"quality":"neutral"},{"name":"Labha","start":"09:04","end":"10:41","startHours":9.06710153169342,"endHours":10.688859132975061,"quality":"auspicious"},{"name":"Amṛta","start":"10:41","end":"12:19","startHours":10.688859132975061,"endHours":12.310616734256705,"quality":"auspicious"},{"name":"Kāla","start":"12:19","end":"13:56","startHours":12.310616734256705,"endHours":13.932374335538348,"quality":"inauspicious"},{"name":"Śubha","start":"13:56","end":"15:33","startHours":13.932374335538348,"endHours":15.554131936819992,"quality":"auspicious"},{"name":"Roga","start":"15:33","end":"17:11","startHours":15.554131936819992,"endHours":17.175889538101636,"quality":"inauspicious"},{"name":"Udveg","start":"17:11","end":"18:48","startHours":17.175889538101636,"endHours":18.79764713938328,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:48","end":"20:11","startHours":18.79764713938328,"endHours":20.175889538101636,"quality":"auspicious"},{"name":"Roga","start":"20:11","end":"21:33","startHours":20.175889538101636,"endHours":21.554131936819992,"quality":"inauspicious"},{"name":"Udveg","start":"21:33","end":"22:56","startHours":21.554131936819992,"endHours":22.93237433553835,"quality":"inauspicious"},{"name":"Chala","start":"22:56","end":"00:19","startHours":22.93237433553835,"endHours":24.310616734256705,"quality":"neutral"},{"name":"Labha","start":"00:19","end":"01:41","startHours":24.310616734256705,"endHours":25.68885913297506,"quality":"auspicious"},{"name":"Amṛta","start":"01:41","end":"03:04","startHours":25.68885913297506,"endHours":27.067101531693417,"quality":"auspicious"},{"name":"Kāla","start":"03:04","end":"04:27","startHours":27.067101531693417,"endHours":28.445343930411774,"quality":"inauspicious"},{"name":"Śubha","start":"04:27","end":"05:49","startHours":28.445343930411774,"endHours":29.82358632913013,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:49","end":"06:49","startHours":5.823586329130132,"endHours":6.823586329130132,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:49","end":"07:49","startHours":6.823586329130132,"endHours":7.823586329130132,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:49","end":"08:49","startHours":7.823586329130132,"endHours":8.823586329130132,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:49","end":"09:49","startHours":8.823586329130132,"endHours":9.823586329130132,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:49","end":"10:49","startHours":9.823586329130132,"endHours":10.823586329130132,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:49","end":"11:49","startHours":10.823586329130132,"endHours":11.823586329130132,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:49","end":"12:49","startHours":11.823586329130132,"endHours":12.823586329130132,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:49","end":"13:49","startHours":12.823586329130132,"endHours":13.823586329130132,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:49","end":"14:49","startHours":13.823586329130132,"endHours":14.823586329130132,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:49","end":"15:49","startHours":14.823586329130132,"endHours":15.823586329130132,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:49","end":"16:49","startHours":15.823586329130132,"endHours":16.82358632913013,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:49","end":"17:49","startHours":16.82358632913013,"endHours":17.82358632913013,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:49","end":"18:49","startHours":17.82358632913013,"endHours":18.82358632913013,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:49","end":"19:49","startHours":18.82358632913013,"endHours":19.82358632913013,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:49","end":"20:49","startHours":19.82358632913013,"endHours":20.82358632913013,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:49","end":"21:49","startHours":20.82358632913013,"endHours":21.82358632913013,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:49","end":"22:49","startHours":21.82358632913013,"endHours":22.82358632913013,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:49","end":"23:49","startHours":22.82358632913013,"endHours":23.82358632913013,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:49","end":"00:49","startHours":23.82358632913013,"endHours":24.82358632913013,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:49","end":"01:49","startHours":24.82358632913013,"endHours":25.82358632913013,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:49","end":"02:49","startHours":25.82358632913013,"endHours":26.82358632913013,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:49","end":"03:49","startHours":26.82358632913013,"endHours":27.82358632913013,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:49","end":"04:49","startHours":27.82358632913013,"endHours":28.82358632913013,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:49","end":"05:49","startHours":28.82358632913013,"endHours":29.82358632913013,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":10.755641185544409,"eotMinutes":-1.7074040554023546,"ayanamsa":24.0436}},"calendars":{"vikram_samvat":2070,"vikram_samvatsara":"Parābhava","saka_samvat":1935,"saka_samvatsara":"Vijaya","bengali_samvat":1420,"malayalam_era":1189,"nanakshahi_year":544,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Pañcamī · Vikram 2070 Parābhava · Śaka 1935 Vijaya"},"festivals":[{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"rishikesh"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga August 25, 2013 CE · Ṛṣikeśa · Vidhyamitra","description":"August 25, 2013 CE for Ṛṣikeśa: Kṛṣṇa Pañcamī, sūryodaya 05:49, sūryāsta 18:48.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2013-08-25","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2013-08-25","sa":"https://sa.vidhyamitra.com/city/rishikesh/2013-08-25","hi":"https://hi.vidhyamitra.com/city/rishikesh/2013-08-25","x-default":"https://vidhyamitra.com/city/rishikesh/2013-08-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T23:05:19.180Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-05-15T23:05:19.180Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T23:05:19.180Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}